Home / 219,769.20-329,763.15-125,072.10

Finding the Fourth Proportional to 219,769.20, 329,763.15 and 125,072.10

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Solution

The fourth proportional to 219,769.20, 329,763.15 and 125,072.10 is: 187,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,769.20 : 329,763.15 = 125,072.10 : x
  2. Step 2: Convert to fraction form
    219,769.20/329,763.15 = 125,072.10/x
  3. Step 3: Cross multiply
    219,769.20x = 329,763.15 × 125,072.10
  4. Step 4: Simplify right side
    219,769.20x = 41,244,169,673.12
  5. Step 5: Solve for x
    x = 41,244,169,673.12/219,769.20
  6. Step 6: Final answer
    x = 187,670.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.